Incandescent gas-burner.



No. 705,950. Patented luly 29', 1902-. A. MURlNICK.

INCA'NDESCENT GAS BURNER.

(Application filed Nov. 21, 1900.)

(No Model.)

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UNITED STATES:

PATENT OFFICE.

ALEXANDRE MURINICK, OF ST. PETERSBURG, RUSSIA.

lNCAND ESCE NT GAS-BURNER.

SPECIFICATION forming part of Letters Patent No. 705,950, dated July 29, 1902.

Application filed November 21, 1900. Serial No. 37,315. (No model.)

To all whom, it rncty concern:

Be it known that I, ALEXANDRE MUBINICK,

a subject of the Czar of Russia, residing in the city of St. Petersburg, Russia, have invented certain new and useful Improvements in Incandescent Gas-Burners, of which the following is a specification.

This invention relates to incandescent burners, and is more particularly intended for use with burners for street illuminating. Its main object is to secure the incandescent mantle against shocks and jars. This is obtained, as hereinafter more fully described, by the aid of a springy chamber arranged between the gas-inlet and the burner, said chamber serving the double purpose of deadening shocks and jars and supplying the gas with air in such a manner that an intimate mixture is initiated from the first moment the gas and air meet each other.

Another object is to provide means for adjusting the gas-inlet into said springy chamber by turning the latter, together with the burner.

In the accompanying drawings the burner is shown in connection with a street-lamp.

Figure 1 is a longitudinal section; Fig. 2,

a cross-section of the regulator on an enlarged scale,.and Fig. 3 a detail view.

The gas-pipe a carries a cone 1), which is provided with a channel 0, standing in communication with the pipe a and provided in a portion of its periphery with a groove (1. (Shown in dotted lines.) The cone b is closely fitted in a housing 6, which is provided with two channels f and g. The channel 0 serves, on the one hand, for conducting the gases to the burner, and, on the other hand, to permit any suitable fiuid-'for example, alcohol-t0 be introduced through the channel f into the gas-pipe in the event that the latter should become frozen. The groove d is in communication with the channel g, the pipe h, and the coil 2', which latter carries the well-known igniting-burner, which is omitted from the drawings. The housing c has screwed upon it a cap it, the interior of which is conically shaped. Upon this cap It is screwed the gasfeed regulator. The latter consists, as will be better seen from Fig. 2, of a short inner tube Z, having a perforated bottom, in the center of which is fixed a needle m, and an outer tube 0, having a top plate with a central opening a: of conical shape for the needle to project through, so that an annular passage is formed, through which the gas is fed into the mixing-chamber. The tube 0 is screwed with its internally-threaded lower portion on the externally-threaded lower portion of the tube Z, so'that the area of the gas-feed opening w can'be widened or reduced by screwing the tube 0 to ahigher or lower position.

To the upper end of the tube 0 is secured, in the manner hereinafter described,a springy chamber,which carries the burner and serves the combined purpose of mixing the gas with air and guarding the mantle from shocks. The chamber is composed of concentricallyarranged upper cup-like shells rt of annular shape, which are secured at their upper narrow, opening to a ring 19 and with their lower wider opening directed downward to receive in the space between their lower edges the upper edge of alower shell 3 of similar; shape, which is fastened at its lower narrow opening to a ring 19 said rings 19 and 19 being connected with each other by outwardly-bent flat springs "p, fixed with their upper ends to the ring 19 and with their lower ends to the ring 19 The ring 19 is internally threaded and screwed on the externally-threaded upper end of said tube 0. The ring 19 is internally threaded to receive and hold the burner-tube u and the parts connected therewith. By this construction the mixing-chamber is made available for consuming shocks without interfering with the proper admission of air. Moreover, the air to be mixed with the gas is sucked into the chamber by the gas-jet all around the latter through the annular opening formed by the shells r and s, and then it is caused to pass up and down toward the lower edge of the inner shell t, whereby the current of air is caused to gradually contract, so as to take the shape of a cone, which is axially traversed by the gas-jet, so that the molecules of air-impinge against the gas-jet under an oblique angle in any point of its circumference. In this manner avery intimate mixture of the air and gas is initiated from the first moment they touch each other.

Surrounding the supplypipe a, near the bottom of the lamp, is located a second pipe y, to which the housing 6 is secured by an arm Z, which can be turned by means of a lever 4:. There is further arranged on the base 2 a washer 2, as also ,a spiral spring 3. This arrangement serves the purpose of compensating for expansion and contraction of the feed-pipes, due to changes of temperature.

By grasping the lever, the pipe Ct remaining stationary, the housing 6 can be so turned through the medium of said lever that the channel will coincide with f and gas pass into the latter. If the cone closes the channel f, a small portion only of the gas escapes to the small pipe 6.

Gas entering the channelfpasses through the channel and from this to the regulator, then flows through the openings 42 to the nozzle m. After the gas has left the nozzle 50 an intimate mingling of air with the gas takes place in the manner described and the miX- ture formed reaches the incandescent mantle, where ignition takes place from the ignitingfiame, which may burn constantly at a very slight expense.

The following is what I claim and desire to secure by Letters Patent:

1. In an incandescent burner the combination with the feed-opening for the gas-supply and the burner, of a chamber for mixing the gas with air, said chamber being constructed with concentrically-arranged upper cup-like shells secured at their upper narrow edges to a ring for receiving the burner and leaving spaces between their wider lower edges, lower shells of similar shape which are connected with their lower narrow edges to aring closely surrounding the gas-inlet and project with their upper wider edges into the spaces left between the lower edges of the upper shells,

and on twardly-bent springs connected at their ends with said rings, substantially as and for the purpose stated.

2. In an incandescent burner the combination with the cone fixed to the gas-supply pipe, the housing rotatably mounted upon said cone, and the gas-channels formed in the cone and housing, of a gas-chamber formed by the upper part of the housing, a conically- ALEXANDRE MURINIGK.

Vitnesses:

PAUL SoHUL'r, GUSTAV LEHMANN. 

